Universal Licensing System
WQTH353
MPX Inc.
License details
| ULS identifier | 3557859 |
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| Call sign | WQTH353 |
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| Radio service | MG |
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| Status | E |
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| Grant date | 2014-01-31 |
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| Expiration | 2014-07-30 |
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| Cancellation | 2014-10-04 |
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| Frequency range | 21935 MHz |
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| Locations | 2 |
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| Representative location | Portland, MULTNOMAH, OR |
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| Coordinates | 45.5222500, -122.6839167 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:46:38 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 21935.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 21935.00000000 | | 27M5D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1223 SW Washington, Portland, MULTNOMAH, OR | 45.52225000, -122.68391667 | 23.200 m | BPIPE | 75.600 m structure / 81.600 m overall | |
| 2 | R | | 45.52947222, -122.68405556 | 12.800 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | RADIO WAVES, INC HP2-23 | | V | 40.2000 | 359.2000 | | |
| 1 | 2 | R | RADIO WAVES, INC HP2-23 | | | 40.2000 | 0.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2014-10-04 | WQTH353 | LIEXP |
| 2014-01-31 | WQTH353 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3557859 | 2026-08-02 02:46:38 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WQTH353 | ULS 3557859 | 2026-08-02 02:46:38 |
| Status | E | ULS 3557859 | 2026-08-02 02:46:38 |
| Service | MG | ULS 3557859 | 2026-08-02 02:46:38 |
| Grant Date | 2014-01-31 | ULS 3557859 | 2026-08-02 02:46:38 |
| Expiration Date | 2014-07-30 | ULS 3557859 | 2026-08-02 02:46:38 |
| Cancellation Date | 2014-10-04 | ULS 3557859 | 2026-08-02 02:46:38 |